civil engineering MCQs – Page 262

Practise multiple-choice questions from civil engineering for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

civil engineering Mcqs

5221. Minimum thickness of web in a plate girder, when the plate is accessible and also exposed to weather, is______________?
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A. 10 mm

B. 5 mm

C. 8 mm

D. 6 mm

5222. A steel beam supporting loads from the floor slab as well as from wall is termed as________________?
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A. stringer beam

B. header beam

C. spandrel beam

D. lintel beam

5223. When the axis of load lies in the plane of rivet group, then the most heavily loaded rivet will be the one which________________?
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A. is at the maximum distance from CG of the rivet group

B. gives the maximum angle between the two forces Fa and Fm

C. gives the minimum angle between the two forces Fa and Fm

D. is at the minimum distance from CG of the rivet group

5224. The slenderness ratio of a column supported throughout its length by a masonry wall is________________?
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A. zero

B. 10

C. infinity

D. 100

5225. If the floor is supported at or near the bottom but top chords of a bridge are not braced, then the bridge is called________________?
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A. double deck type

B. through type

C. half through type

D. deck type

5226. The heaviest I-section for same depth is_________________?
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A. ISHB

B. ISLB

C. ISWB

D. ISMB

5227. The effective length of a battened strut effectively held in position at both ends but not restrained in direction is taken as________________?
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A. 1.5 L

B. 1.1 L

C. L

D. 1.8 L

5228. The difference between gross diameter and nominal diameter for the rivets up to 25 mm diameter is__________________?
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A. 1.0 mm

B. 2.5 mm

C. 2.0 mm

D. 1.5 mm

5229. Gantry girders are designed to resist_________________?
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A. longitudinal loads and vertical loads

B. lateral and longitudinal loads

C. lateral loads

D. lateral, longitudinal and vertical loads

5230. For a standard 45 fillet, the ratio of size of fillet to throat thickness is_______________?
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A. 1:01

B. 1 : V2

C. 2:01

D. V2 : 1

5231. The maximum slenderness ratio of a steel column, the design of which is governed by wind or seismic forces is________________?
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A. 350

B. 250

C. 150

D. 180

5232. A butt weld is specified by__________________?
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A. effective throat thickness

B. size of weld

C. plate thickness

D. penetration thickness

5233. The maximum permissible span of asbestos cement sheets is______________________?
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A. 810 mm

B. 650 mm

C. 1680 mm

D. 1250 mm

5234. The external wind pressure acting on a roof depends on__________________?
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A. degree of permeability of roof

B. slope of roof

C. both (A) and (B)

D. none of the above

5235. Economical depth of a plate girder corresponds to_________________?
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A. minimum thickness of web

B. minimum depth

C. maximum weight

D. minimum weight

5236. Formation of snow occurs if the cloud temperature is________________?
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A. None of these

B. Below the freezing point

C. At the freezing point

D. Just above the freezing point

5237. The minimum thickness of a steel plate, which is directly exposed to weather and is not accessible for cleaning and repainting, should be___________________?
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A. 8 mm

B. 10 mm

C. 6 mm

D. 4.5 mm

5238. The web crippling due to excessive bearing stress can be avoided by_________________?
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A. providing suitable stiffeners

B. increasing the length of the bearing plates

C. none of the above

D. increasing the web thickness

5239. In case of timber structures, the form factor for solid circular cross-section is taken as_________________?
0

A. 1.414

B. 1.67

C. 1.81

D. 1.18

5240. For the buildings having a low permeability, the internal wind pressure acting normal to the wall and roof surfaces is taken as__________________?
0

A. 0.2p

B. 0.5 p

C. 0.7p

D. re p is basic wind pressure

E. zero

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